Gold-Diamond Jewelry uses direct labor hours to apply overhead at a predetermined overhead rate of $4.20 per direct labor hour for the current year. The direct labor quantity standard is 1.75 direct labor hours per unit, and the company produced 2,400 units in May. This required 4,450 direct labor hours. What value should be used for overhead applied in the total overhead variance calculation for May? O $16,260 O $18,690 O $19,720 O $17,640